Toshiba TLCS-900/H1 Series Manual page 451
Original cmos 32-bit microcontroller
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3.21.5
Download with UART
(1) Connection example
Figure 3.21.8 shows an example of UART. (A 16-bit NOR flash is used as program
memory.)
PC
(2) UART interface specification
SIO channel 1 is used to download.
The following shows the UART communication format in BOOT mode.
Before booting, the PC side must also be setup in the same way.
The default baud rate is 9600 bps, but it can be changed to other values as shown in
Table 3.21.9.
Serial transfer mode
Data length
Parity bit
STOP bit
Handshake
Baud rate (Default)
UART 3 pins
TXD
TXD1, PF0 (output)
Level
RXD
RXD1, PF1 (input)
shifter
RTS
AM0
AM1
Figure 3.21.8 Example of
UART (Asynchronous communication) mode, full
:
duplex communication
: 8 bits
: None
: 1 bit
: None
: 9600 bps
92CH21-449
P82,
CS
2
P70,
RD
PJ2,
SRWR
TMP92CH21
D0 to D15
A1 to A20
UART
TMP92CH21
CE
OE
WE
NOR flash
D0 to D15
A0 to A19
2009-06-19
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